Download Electrical Technology by U.A.BAKSHI PDF

By U.A.BAKSHI

A) electricity dimension - size of lively and reactive energy in 3 section balanced quite a bit by utilizing one wattmeter and wattmeter, influence of energy issue on wattmeter interpreting. b) electricity size - unmarried part and 3 part strength meter (Construction and working), Use of CT and PT for dimension of strength / power in unmarried section and 3 section approach (Theoretical remedy only), average requirements of unmarried and 3 section strength meter. c) Tariff - creation, pursuits and info of H.T. and L.T tariff, TOD tariff, merits and development of energy issue (Theoretical remedy in simple terms) d) Illumination - a variety of phrases concerning illumination, kinds and requirement of excellent lighting fixtures scheme, specific function lighting fixtures. a) unmarried section Transformer - varieties, KVA score, Approximate similar circuit, Voltage rules and potency of transformer, situation for max potency. b) 3 part Transformers - forms of transformer connection (star/star, star/delta, delta/star and delta/delta) and functions in line with connections. (Theoretical therapy merely) creation of strength transformer, Distribution transformer, learn of regular distribution transformer substation, standards of transformer (KVA score, Voltage ratio, present rating). c) 3 section Induction Motor - Constructional function, operating precept of 3 part induction cars, kinds; Torque equation, Torque slip features; energy phases; potency; different types of starters; tools of velocity keep watch over and commercial functions. a) unmarried section Induction vehicles - forms, development, operating precept of break up part and shaded pole style induction automobiles, purposes. requirements of induction cars (KW score, Rated voltage, present score, Frequency, pace, type of insulation) b) Synchronous Generator - Constructional positive factors (Salient and non-salient), operating precept, e.m.f. equation, Synchronous velocity of an alternator, proposal of synchronous reactance and impedance, Phasor diagram of loaded alternator, Voltage rules of alternator by way of direct loading process and synchronous impedance process. standards of synchronous generator. D.C. Machines building, operating precept of D.C. generator, e.m.f. equation of D.C. generator. (Theoretical thought only). operating precept of D.C. motor. kinds of D.C. motor, again e.m.f. , Torque equation for D.C. motor, features of D.C. motor (Series, shunt and compound), Starters of D.C. shunt and sequence motor, equipment for velocity regulate of D.C shunt and sequence automobiles, commercial purposes. detailed objective cars - development, operating precept, attribute and functions of stepper cars, A.C. and D.C. servomotors, common vehicles, business purposes. SCR - building aspect, V-I features, tips on how to activate, Switching motion in the course of off and on, Specification, inspiration of commutation of SCR. functions. DIAC - building, V-I features. TRIAC - building, V-I features, Turning ON method. MOSFET - development, move features, Output features, tips on how to activate and rancid, functions. IGBT- building aspect, move features, Output features, ways to activate and rancid, purposes. GTO - Construction,Working and attribute. Drives - merits of electric drives, person and workforce drives, choice of drives reckoning on load features. velocity keep watch over - unmarried part complete converter fed D.C. drives, 3 part converter fed D.C. drives, Chopper drives, quadrant and 4 quadrant chopper drives, Stator voltage regulate of 3 section induction motor, Frequency keep watch over of 3 part induction motor, V/F keep watch over of 3 part induction motor.